The type of molecule is ester.
What is molecule?
A molecule is a collection of more than one atom bound together by chemical bonds; based on the circumstances, the phrase will not include ions that meet this requirement.
What is ester?
Esters were chemical molecules formed by mixing an oxoacid and a hydroxyl substance like alcohol as well as phenol.
It can be seen that molecule have -COO group which represent ester group. Hence, given molecule have ester group.
Therefore, the correct answer will be option (B).
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